Home / 18,968.58-28,430.70-14,273.52

Finding the Fourth Proportional to 18,968.58, 28,430.70 and 14,273.52

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Solution

The fourth proportional to 18,968.58, 28,430.70 and 14,273.52 is: 21,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.58 : 28,430.70 = 14,273.52 : x
  2. Step 2: Convert to fraction form
    18,968.58/28,430.70 = 14,273.52/x
  3. Step 3: Cross multiply
    18,968.58x = 28,430.70 × 14,273.52
  4. Step 4: Simplify right side
    18,968.58x = 405,806,165.06
  5. Step 5: Solve for x
    x = 405,806,165.06/18,968.58
  6. Step 6: Final answer
    x = 21,393.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.